The dimensions of 1/μ0ε0. where symbols have their usual meanings, are
[L−1T]
[L−2T2]
[L2T−2]
[LT−1]
We know that, speed of light in vacuum, c=1√μ0ϵ0
⇒μ0ϵ0=1c2
Hence, the dimension of μ0ϵ0 is [L−2T2].
Dimensions of 1μ0 ϵ0,where symbols have their usual meaning,are